Describe how you would implement a zero-downtime deployment strategy for a critical backend service.

Very hard difficulty

Very-hard questions are the ultimate test of your expertise and preparation. They demand not just knowledge, but creativity and strategic thinking, often addressing unique or highly technical aspects of your field.

Problem solving question

Problem solving' questions are designed to test your analytical abilities and how you approach complex tasks. Demonstrate your logical thinking and creativity in crafting solutions to challenging issues.

Here's a hint

Focus on strategies that minimize or eliminate service interruption, such as blue-green deployments or canary releases. Highlight any tools or technologies that support your approach, and discuss potential challenges and how you would address them.

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